RE: Setting 'make -jN' in makeprg

Christian Brabandt wrote:
>> let &makeprg = 'make -j'.system('echo -n "$(echo
>> $(grep -c ^processor /proc/cpuinfo)+1 | bc)"')
>
> Your command looks strange, why are you adding 1 there? I
> think, better is something like:
>
> let &makeprg = 'make -j'.system('grep -c ^processor /proc/cpuinfo')

Huh, you think my command is strange: you should see the
original tip (link in previous message).

I was just adding 1 per the original idea, which is the belief
that if you have N processors you should pass N+1 to -j so there
is always a process waiting to be run. Google shows varying
opinions on that (one rather convincing one I glanced at
suggested that such fiddling doesn't do anything significant).

I don't know the consequences, but a defect in your command
above is that makeprg ends up with a NUL (^@) at the end, due
to the newline output by grep (seen with ':set makeprg?').

John

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